            "slnB" [coll11]
            ;; - technique
            "techniqueB" [coll11]
+           "techniqueD" [coll15]
+           "techniqueB techniqueC" [coll11]
 
            ;; Science keywords
            ;; - category

        psa4 (dc/psa "case" :string "up")
        p1 (dc/platform "platform_SnB" "platform_Ln B" nil
                        (dc/instrument "isnA" "ilnA"
                                       (dc/sensor "ssnA" "slnA")))
        p2 (dc/platform "platform_SnA spoonA" "platform_LnA"
                        [(dc/characteristic "char1" "char1desc")]
                        (dc/instrument "isnB" "ilnB"
                                       (dc/sensor "ssnB" "slnB" "techniqueB")))
        p3 (dc/platform "spoonA")
        pr1 (dc/projects "project-short-name")
        sk1 (dc/science-keyword {:category "Cat1"


           ;; Checking specific fields

           ;; provider
           "PROV1" [coll1 coll2 coll3 coll23]

           ;; entry title
